The following experts have been very kind to us and have responded to our request for sending us lists of books they like. Please note these experts are world-renowned and all are very well known in their fields of expertise. We would like to thank them for their time, as they have spent some time coming up with the lists as well as suggesting how to improve the site.
The experts below have not communicated and recommended books to us. But they have publicly suggested or have used (as reference) these books in the courses they are/have been teaching. All the materials can be found on the Internet, and reference links have been provided.